REOPENED: The Green River Killer

In the 1980s the police discovered no fewer than 44 bodies along the Green River near Seattle, making the Green River Killer the most prolific serial killer in U.S. history. The investigation would become the largest ever performed in King County and span nearly 20 years before finally bringing the killer to justice.

SimpliSafe - Right now, get 20% off any new SimpliSafe system with Fast Protect Monitoring at SimpliSafe.com/COLDCASE There’s No Safe Like SimpliSafe.